//创建“外壳”组件App
//把React.Component省略，直接放到引入上面
import React,{Component} from 'react'
import Hello from './components/Hello/Hello'
import Welcome from './components/Welcome/Welcome'

//创建并暴露组件
export default class App extends Component{
  render(){
    return (
      <div>
        <Hello />
        <Welcome />
      </div>
    )
  }
}

//暴露App组件
// export default App